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Base64 Encoder & Decoder

What is Base64 Encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is commonly used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data.

Why Use Our Base64 Tool?

Fast & Local

Encoding and decoding happen instantly in your browser without any server communication.

100% Private

Your data never leaves your computer. We don't log or store your input strings.

Frequently Asked Questions (FAQ)

Since this tool runs in your browser, performance depends on your device memory. For very large files (hundreds of MBs), processing might be slow or unstable.

This tool performs the conversion entirely within your browser using JavaScript. Your data is not sent to any server, ensuring privacy and speed.

Base64 is NOT a form of encryption and is not secure for hiding sensitive data. It is simply an encoding scheme. Anyone can decode Base64 strings back to their original format without any key.

Base64 encoding is commonly used when there is a need to encode binary data that needs to be stored and transferred over media that are designed to deal with textual data. This is creating a string that is safe to be sent without data corruption.
Did you know?

We have a complete guide related to this tool! Read our full deep-dive article here: Developer Tools Guide — JSON Formatter, Base64, MD5, Password Generator (2026 Hinglish).

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Developer Tools Guide — JSON Formatter, Base64, MD5, Password Generator (2026 Hinglish)
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